Welcome to the Field

Since 1 January 2026, e-invoicing via Peppol has been mandatory for Belgian B2B invoices. Find out what this means for your software, VAT deductions and contracts, what exceptions apply, and how to avoid fines of up to €5,000.

Discover how IFRS 18 changes the classification of income and expenses in the statement of profit or loss. This article explains key requirements, practical challenges and what to expect from the new financial reporting standard

Discover how IFRS 18 changes the classification of income and expenses in the statement of profit or loss. This article explains key requirements, practical challenges and what to expect from the new financial reporting standard

Understand how to assess whether your company acts as a principal or an agent under IFRS 15. This article explains the key considerations and judgements needed to recognise revenue correctly in multi-party transactions

Understand how to identify performance obligations under IFRS 15 Step 2. This article explains the key concepts behind revenue recognition and helps businesses apply the standard consistently across contracts with customers.

The CBAM will begin to have a financial impact in 2026. Find out how importers need to prepare, what impact this will have on audits and provisioning, and how Grant Thornton can help.

Proper representation of companies: how to avoid costly mistakes

Share Options in the Event of Cross-Border Employment Between Belgium and the Netherlands

In 2024, the International Accounting Standards Board (IASB), issued a new Standard IFRS 18 ‘Presentation and Disclosures in Financial Statements’. IFRS 18 replaces IAS 1 ‘Presentation of Financial Statements’ for annual reporting periods beginning on or after 1 January 2027.

The Belgian transfer pricing legislation requires taxpayers to complete and submit specific transfer pricing documentation forms, consisting of the Local File, the Master File, and the CbC notification form. The requirement applies annually to Belgian entities and permanent establishments of multinational groups that meet the applicable thresholds[M.

From 1 January 2026, Wallonia ends nearly 20 years of tax exemptions under the Marshall Plan and reinstates property tax, the compensatory industrial tax and the municipal motive power tax for industrial investments made since 2006. The reform significantly increases the tax burden for many companies and requires a detailed analysis of past and recent investments to understand the financial impact.

Due Diligence Requirement Only Applies to Certain High-Risk Sectors From 1 January 2026 This legislation applies to any domestic or foreign company that is directly or indirectly involved in the activities listed below that are carried out in the Flemish Region. In other words, it makes no difference whether you use the services of a Belgian or a foreign contractor or subcontractor: the legislation applies as soon as activities are carried out in the Flemish Region.

The special tax regime for inbound taxpayers (BBIB) and researchers (BBIO) was in-troduced on January 1, 2022, to make Belgium more attractive for international talent. This new regime replaced the old expat system for foreign executives and marked an important step toward greater legal certainty.

The IFRS Foundation has issued 'Disclosures about Uncertainties in the Financial Statements,' addressing practical application of the disclosure requirements in IFRS Accounting Standards.

The preparation of financial statements in accordance with International Financial Reporting Standards (IFRS) is challenging. Each year, new Standards and amendments are published by the International Accounting Standards Board (IASB). These changes have the potential to significantly impact the presentation of a complete set of financial statements, and 2025 is no different.

Youri De Vos, General Manager at Mordant Group, is structurally supported with the accountancy advice from one-stop shop Grant Thornton.